/* Tweaks panel for SBF dashboard */
.tweaks {
  position: fixed; right: 20px; bottom: 90px; z-index: 110;
  width: 280px;
  background: rgba(255,255,255,0.96);
  backdrop-filter: blur(20px); -webkit-backdrop-filter: blur(20px);
  border: 1px solid var(--line-strong);
  border-radius: 12px;
  box-shadow: 0 16px 44px rgba(0,0,0,0.14);
  font-family: var(--sans);
  color: var(--ink);
  display: none;
  overflow: hidden;
}
.tweaks.open { display: block; }
.tweaks__hd {
  display: flex; justify-content: space-between; align-items: center;
  padding: 12px 14px; border-bottom: 1px solid var(--line);
  font: 600 12px var(--sans); letter-spacing: 0.04em; text-transform: uppercase; color: var(--ink-soft);
  cursor: move; user-select: none;
}
.tweaks__x { background: none; border: none; font-size: 18px; cursor: pointer; color: var(--ink-mute); padding: 0 4px; line-height: 1; }
.tweaks__x:hover { color: var(--ink); }
.tweaks__body { padding: 14px; display: flex; flex-direction: column; gap: 14px; max-height: 60vh; overflow-y: auto; }
.twk-sec { font-family: var(--mono); font-size: 10px; color: var(--ink-mute); text-transform: uppercase; letter-spacing: 0.12em; border-top: 1px solid var(--line); padding-top: 10px; }
.twk-sec:first-child { border-top: none; padding-top: 0; }
.twk-row { display: flex; flex-direction: column; gap: 6px; }
.twk-row label { font-size: 12px; color: var(--ink-soft); font-weight: 500; display: flex; justify-content: space-between; }
.twk-row label span.val { font-family: var(--mono); color: var(--ink-mute); font-weight: 400; }
.twk-swatches { display: flex; gap: 6px; }
.twk-sw { width: 28px; height: 28px; border-radius: 6px; border: 2px solid transparent; cursor: pointer; transition: border-color .15s, transform .15s; }
.twk-sw:hover { transform: scale(1.08); }
.twk-sw.active { border-color: var(--ink); }
.twk-input { width: 100%; height: 32px; padding: 0 10px; border: 1px solid var(--line-strong); border-radius: 6px; background: white; font: 13px var(--sans); color: var(--ink); outline: none; }
.twk-input:focus { border-color: var(--sbf-cyan); }
.twk-input[type="color"] { padding: 2px; cursor: pointer; }
.twk-seg { display: flex; border: 1px solid var(--line-strong); border-radius: 6px; overflow: hidden; }
.twk-seg button { flex: 1; background: white; border: none; padding: 7px; font: 500 12px var(--sans); color: var(--ink-soft); cursor: pointer; border-right: 1px solid var(--line); }
.twk-seg button:last-child { border-right: none; }
.twk-seg button.on { background: var(--ink); color: white; }
.twk-slider { width: 100%; -webkit-appearance: none; appearance: none; height: 4px; background: var(--line-strong); border-radius: 2px; outline: none; }
.twk-slider::-webkit-slider-thumb { -webkit-appearance: none; appearance: none; width: 16px; height: 16px; border-radius: 50%; background: var(--sbf-cyan); cursor: pointer; }
.twk-slider::-moz-range-thumb { width: 16px; height: 16px; border-radius: 50%; background: var(--sbf-cyan); cursor: pointer; border: none; }
.twk-toggle { display: flex; align-items: center; justify-content: space-between; }
.twk-switch { position: relative; width: 36px; height: 20px; background: var(--line-strong); border-radius: 999px; cursor: pointer; transition: background .2s; }
.twk-switch.on { background: var(--sbf-cyan); }
.twk-switch::after { content: ''; position: absolute; left: 2px; top: 2px; width: 16px; height: 16px; background: white; border-radius: 50%; transition: left .2s; }
.twk-switch.on::after { left: 18px; }

/* Palette picker */
.twk-palettes { display: flex; flex-direction: column; gap: 6px; }
.twk-pal { display: flex; align-items: center; gap: 10px; padding: 8px 10px; background: white; border: 1.5px solid var(--line); border-radius: 8px; cursor: pointer; transition: all .15s; text-align: left; }
.twk-pal:hover { border-color: var(--ink-soft); }
.twk-pal.active { border-color: var(--ink); background: #FAFAF8; }
.twk-pal__swatches { display: inline-flex; border-radius: 4px; overflow: hidden; flex-shrink: 0; }
.twk-pal__swatches > span { display: block; width: 20px; height: 20px; }
.twk-pal__name { font: 500 12px var(--sans); color: var(--ink); }